The QRF-2300-2675-50 from Qualwave is a Band Stop Filter with Stopband Frequency 2300 to 2675 MHz, Bandwidth 375 MHz, Insertion Loss 1.5 dB, Rejection 50 dB, Power 10 W. Tags: Module with Connectors. More details for QRF-2300-2675-50 can be seen below.